Solar flares on September 20, 2013
The most powerful solar flare in 24 hours
C3.8 (normal) flare - September 20 at 5:23 PM
Solar activity index
Value as of the end of the day on September 20, 2013
Solar X-ray emission over the past 2 days
Chart of solar X-ray emission (1-8 Å) from September 19, 2013 to September 20, 2013
Time zone — UTC+05:30 (Aligarh)
List of solar flares for September 20, 2013
The total number of solar flares of class C and higher — 5 flares
C class — 5 | M class — 0 | X class — 0
| Class | begin | max | end | region |
|---|---|---|---|---|
| C1.3 | 22:21 | 22:27 | 22:38 | 1850 |
| C2.3 | 18:16 | 18:21 | 18:30 | 1850 |
| C3.8 | 17:09 | 17:23 | 17:33 | 1850 |
| C2.1 | 15:26 | 15:32 | 15:38 | 1850 |
| C1.2 | 04:29 | 04:30 | 04:32 | 1850 |